/*
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 * and open the template in the editor.
 */
package controller;

import dao.SanphamDAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.Hinhanh;
import model.Sanpham;

/**
 *
 * @author HoangLiem
 */
@WebServlet(name = "danhSach", urlPatterns = {"/danhSach"})
public class danhSach extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession();
        try {
            int max = 100, dollar = 20;
            String loai = request.getParameter("loaids");
            String tuKhoa = "";
            if (request.getParameter("tuKhoa") != null) {
                tuKhoa = request.getParameter("tuKhoa");
            }
            ArrayList<Sanpham> dsTatCaSanPham = new ArrayList<Sanpham>();
            if (loai.equals("all")) {
                dsTatCaSanPham = SanphamDAO.quickSearch(tuKhoa);
            } else if (loai.equals("pcs")) {
                dsTatCaSanPham = SanphamDAO.getClosingBidProducts(max, tuKhoa);
            } else if (loai.equals("mp")) {
                ArrayList<Object[]> dsObject = SanphamDAO.getPopularProducts(max, tuKhoa);
                if (dsObject.size() > 0 || dsObject != null) {
                    for (int i = 0; i < dsObject.size(); i++) {
                        Object[] obj = dsObject.get(i);
                        Sanpham sp = (Sanpham) obj[0];
                        dsTatCaSanPham.add(sp);
                    }
                }
            } else if (loai.equals("dsp")) {
                dsTatCaSanPham = SanphamDAO.getDollarProduct(max, dollar, tuKhoa);
            } else if (loai.equals("na")) {
                dsTatCaSanPham = SanphamDAO.getNewArrivals(max, tuKhoa);
            } else if (loai.equals("s")) {
                if (tuKhoa != "") {
                    dsTatCaSanPham = SanphamDAO.quickSearch(tuKhoa);
                }
            }

            int soSanPhamTrenTrang = -1;
            if (request.getParameter("soSanPhamTrenTrang") != null) {
                soSanPhamTrenTrang = Integer.parseInt(request.getParameter("soSanPhamTrenTrang"));
            }

            int trang = 1;
            if (request.getParameter("trang") != null) {
                trang = Integer.parseInt(request.getParameter("trang"));
            }
            int soTrang = 1;

            ArrayList<Sanpham> dsSanPham = new ArrayList<Sanpham>();
            if (soSanPhamTrenTrang == -1) {
                soTrang = 1;
                dsSanPham = dsTatCaSanPham;
            } else {
                int soLuongSanPham = dsTatCaSanPham.size();
                soTrang = SanphamDAO.tinhSoLuongTrang(soLuongSanPham, soSanPhamTrenTrang);
                int batDau = (trang - 1) * soSanPhamTrenTrang;
                int ketThuc = trang * soSanPhamTrenTrang;
                if (ketThuc > soLuongSanPham) {
                    ketThuc = soLuongSanPham;
                }
                for (int i = batDau; i < ketThuc; i++) {
                    dsSanPham.add(dsTatCaSanPham.get(i));
                }
            }

            ArrayList<ArrayList<Hinhanh>> DaydsHinhAnh = new ArrayList<ArrayList<Hinhanh>>();
            DaydsHinhAnh = SanphamDAO.getAllImages(dsSanPham);
            request.setAttribute("loaids", loai);
            request.setAttribute("soSpTrenTrang", soSanPhamTrenTrang);
            request.setAttribute("trang", trang);
            request.setAttribute("soTrang", soTrang);
            if (loai.equals("s")) {
                
            }else{
                tuKhoa = "";
            }
            request.setAttribute("tuKhoa", tuKhoa);

            request.setAttribute("dsSanPham", dsSanPham);
            request.setAttribute("DaydsHinhAnh", DaydsHinhAnh);

            String url = "danhsachPage.jsp";
            session.setAttribute("urlback", "danhSach");
            RequestDispatcher rd = request.getRequestDispatcher(url);
            rd.forward(request, response);
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
